Tuesday 2 September 2014

Luted Crucible Bronze Casting

Institute of Making

'Luted' or sealed crucible casting is a low-cost and low-tech method of casting, relatively unknown outside India and West Africa. It involves sealing the raw ingredients for bronze - copper and tin - into one half of a peanut-shaped crucible made from mud. The other half contains the wax model to be cast. The whole thing is baked in a furnace, and when the metal is molten it is flipped over, and the liquid bronze fills the cavity left by the wax.

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